When three economists meet to eat seafood on the Maine coast, chances are that they will talk about economics, or---what is the same---use economic theory to discuss topics ranging from religion and sex (why are some religions more anti-sex than others?) to the inclusion of government expenditures (on goods and services) in GDP. This is naturally what happened when, yesterday, I met Germain Belzile (HEC-Montréal and Montréal Economic Institute) and Vincent Geloso (who is moving from Bates College in Maine...